very small amounts of nano-sized carbon encapsulated in aluminum phosphate glass, barrier films as thin as 100 nanometers (nano-engineered surface)
"The name 'Cerablak™' was coined after the natural black appearance of the Cerablak™ powder derived from pyrolysis of the chemical formulation. That color is attributed to very small amounts of nano-sized carbon encapsulated within the aluminum phosphate glass... Cerablak® barrier films as thin as 100 nanometers can provide longstanding environmental protection..."
8261 Elmwood Avenue
Skokie, IL 60077-2972
unable to locate SDS online